Genetic Analysis in Identifying Late-Occurring Complications in Childhood Cancer Survivors

Biomarkers in Tumor Tissue Samples From Patients With Newly Diagnosed Neuroblastoma or Ganglioneuroblastoma

Long-term Follow-up of HLH Patients Who Received Treatment With NI-0501, an Anti-interferon Gamma Monoclonal Antibody

Efficacy and Safety of Rivipansel (GMI-1070) in the Treatment of Vaso-Occlusive Crisis in Hospitalized Subjects With Sickle Cell Disease

Project: Every Child for Younger Patients With Cancer

Tracking Outcomes and Practice in Pediatric Pulmonary Hypertension

An Study to Investigate the Safety and Efficacy of PA21 (Velphoro®) and Calcium Acetate (Phoslyra®) in Paediatric and Adolescent Chronic Kidney Disease (CKD) Patients With Hyperphosphataemia

L-citrulline for Prevention of Sequelae of Acute Lung Injury in Pediatrics Undergoing Cardiopulmonary Bypass for Heart Defects

Home Away From Home - Quality of Life Surveys

A Safety, Efficacy And Pharmacokinetics Study Of Tofacitinib In Pediatric Patients With sJIA

Tacrolimus/Everolimus vs. Tacrolimus/MMF in Pediatric Heart Transplant Recipients Using the MATE Score

Long-Term Safety of Pharmaceutical Grade Synthetic Cannabidiol Oral Solution in Pediatric Participants With Treatment-Resistant Childhood Absence Seizures

Active Surveillance, Bleomycin, Carboplatin, Etoposide, or Cisplatin in Treating Pediatric and Adult Patients With Germ Cell Tumors

Vincristine Sulfate Liposome Injection (Marqibo®) in Combination With UK ALL R3 Induction Chemotherapy for Children, Adolescents, and Young Adults With Relapsed ALL

Natural History, Diagnosis, and Outcomes for Leukodystrophies

Neuropsychological and Behavioral Testing in Younger Patients With Cancer

Combination Chemotherapy in Treating Young Patients With Newly Diagnosed High-Risk Acute Lymphoblastic Leukemia

Brentuximab Vedotin and Combination Chemotherapy in Treating Children and Young Adults With Stage IIB or Stage IIIB-IVB Hodgkin Lymphoma

Response and Biology-Based Risk Factor-Guided Therapy in Treating Younger Patients With Non-high Risk Neuroblastoma

Response-Based Chemotherapy in Treating Newly Diagnosed Acute Myeloid Leukemia or Myelodysplastic Syndrome in Younger Patients With Down Syndrome

A Study of Nivolumab Plus Brentuximab Vedotin in Patients Between 5 and 30 Years Old, With Hodgkin's Lymphoma (cHL), Relapsed or Refractory From First Line Treatment

Inotuzumab Ozogamicin in Treating Younger Patients With B-Lymphoblastic Lymphoma or Relapsed or Refractory CD22 Positive B Acute Lymphoblastic Leukemia

A Study of the Safety and Pharmacokinetics of Apixaban Versus Vitamin K Antagonist (VKA) or Low Molecular Weight Heparin (LMWH) in Pediatric Subjects With Congenital or Acquired Heart Disease Requiring Anticoagulation

Rituximab and LMP-Specific T-Cells in Treating Pediatric Solid Organ Recipients With EBV-Positive, CD20-Positive Post-Transplant Lymphoproliferative Disorder

A Safety and Efficacy Study of Ibrutinib in Pediatric and Young Adult Participants With Relapsed or Refractory Mature B-cell Non-Hodgkin Lymphoma

Randomized Controlled Trial of Valganciclovir for Cytomegalovirus Infected Hearing Impaired Infants

HeadStart4: Newly Diagnosed Children (

A Study to Evaluate the Safety and Tolerability of PF-06939926 Gene Therapy in Duchenne Muscular Dystrophy

MK-7625A Plus Metronidazole Versus Meropenem in Pediatric Participants With Complicated Intra-Abdominal Infection (cIAI) (MK-7625A-035)

Veliparib, Radiation Therapy, and Temozolomide in Treating Participants With Newly Diagnosed Malignant Glioma Without H3 K27M or BRAFV600E Mutations

Long-Term Follow-Up of Patients Who Have Participated in Children's Oncology Group Studies

Maintenance Chemotherapy or Observation Following Induction Chemotherapy and Radiation Therapy in Treating Patients With Newly Diagnosed Ependymoma

Established Status Epilepticus Treatment Trial

Blinatumomab in Treating Younger Patients With Relapsed B-cell Acute Lymphoblastic Leukemia

Long-Term Safety Study Of Tofacinib In Patients With Juvenile Idiopathic Arthritis

Pilot Study of the Safety and Efficacy of Oxandrolone in the Prevention and Treatment of Malnutrition in Infants

Efficacy Study Of Tofacitinib In Pediatric JIA Population

Tretinoin and Arsenic Trioxide in Treating Patients With Untreated Acute Promyelocytic Leukemia

Study of RXDX-101 in Children With Recurrent or Refractory Solid Tumors and Primary CNS Tumors, With or Without TRK, ROS1, or ALK Fusions

PREA, PK And Safety PASS Study Of IV Pantoprazole In Pediatric Subjects

Imatinib Mesylate and Combination Chemotherapy in Treating Patients With Newly Diagnosed Philadelphia Chromosome Positive Acute Lymphoblastic Leukemia

Continuation Study With Budesonide Oral Suspension (BOS) for Adolescent and Adult Subjects With Eosinophilic Esophagitis (EoE)

Narcotic vs. Non-narcotic Pain Regimens After Pediatric Appendectomy

Splanchnic and Renal Tissue Oxygenation During Enteral Feedings in Neonates With Patent Ductus Arteriosus

Transanastomotic Tube for Proximal Esophageal Atresia With Distal Tracheoesophageal Fistula Repair

A Pharmacokinetic Study of Tedizolid Phosphate in Pediatric Participants With Gram-Positive Infections (MK-1986-014)

Study of Nifurtimox to Treat Refractory or Relapsed Neuroblastoma or Medulloblastoma

Study of Kidney Tumors in Younger Patients

Study of Carfilzomib in Combination With Induction Chemotherapy in Children With Relapsed or Refractory Acute Lymphoblastic Leukemia

Safety Of Rivipansel (GMI-1070) In The Treatment Of One or More Vaso-occlusive Crises In Hospitalized Subjects With Sickle Cell Disease

Reduced Craniospinal Radiation Therapy and Chemotherapy in Treating Younger Patients With Newly Diagnosed WNT-Driven Medulloblastoma

Neuroblastoma Maintenance Therapy Trial

High-dose Erythropoietin for Asphyxia and Encephalopathy

Study Comparing Efficacy and Safety of Defibrotide vs Best Supportive Care in the Prevention of Hepatic Veno-Occlusive Disease in Adult and Pediatric Patients

Cannabidiol Oral Solution in Pediatric Participants With Treatment-Resistant Childhood Absence Seizures

Stress Hydrocortisone In Pediatric Septic Shock

The Bronchiolitis Follow-up Intervention Trial

Epigenetic Reprogramming in Relapse/Refractory AML

Axitinib and Nivolumab in Treating Participants With Unresectable or Metastatic TFE/Translocation Renal Cell Carcinoma

Pediatric Longitudinal Cohort Study of Chronic Pancreatitis

The CDR Implementation Trial

Improving Blood Glucose Control With a Computerized Decision Support Tool: Phase 1

HCRN Core Data Project: Characterizing Patient Populations in the Hydrocephalus Clinical Research Network (HCRN)

Combination Chemotherapy With or Without Temsirolimus in Treating Patients With Intermediate Risk Rhabdomyosarcoma

Home Away From Home - Medical Outcomes

National Collaborative to Improve Care of Children With Complex Congenital Heart Disease

The Medtronic Harmony™ Transcatheter Pulmonary Valve Clinical Study

Mild Encephalopathy in the Newborn Treated With Darbepoetin

Cisplatin and Combination Chemotherapy in Treating Children and Young Adults With Hepatoblastoma or Liver Cancer After Surgery

Nasal High-frequency Jet Ventilation (nHFJV) Following Extubation in Preterm Infants

The Iron Content of Ferritin in Serum and Urine of Children With High Serum Ferritin Levels